Organize Processes > Archive and unarchive processes in Tracker view
Archive processes to remove them from your active Tracker view without deleting them. Unarchive…
You can’t delete active or completed processes in Tallyfy directly. You must archive them first - only then does the delete option appear.
Once deleted, the process and all its data are gone forever. There’s no undo. Tallyfy enforces this two-step flow to prevent accidental data loss.

Need to archive a process first? See How to archive and unarchive processes.
Organize Processes > Archive and unarchive processes in Tracker view
Tracking And Tasks > Processes